$ git clone -n https://src.fedoraproject.org/rpms/esmtp.git /var/lib/mock/f40-build-2277730-55242/root/chroot_tmpdir/scmroot/esmtp
Cloning into '/var/lib/mock/f40-build-2277730-55242/root/chroot_tmpdir/scmroot/esmtp'...
$ git fetch origin e852ba7d09b4b132136b897e71cabaf6981bca54:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/esmtp
 * [new ref]         e852ba7d09b4b132136b897e71cabaf6981bca54 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e852ba7 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild